<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>

<style type="text/css">

.box{
    border: 2px #000 solid;
    margin-left:20% ;
    padding: auto;
}

.box img{
    width: 80%;
}

</style>

</head>

<body>
    <div class="box">
        <img src="box.jpg" alt="">
    </div>
</body>
</html>